Windshield Deicer: Diagnosis Kia Optima II

INSPECTION

While operating the components, check whether the operations are normal as shown in the timing chart.

Scheme 85

1. Once ALT "L" is ON, if the defogger is switched ON, the defogger will stay ON for 20 minutes duration.
2. If defogger switch is pressed again (see Step 1 ), or if ignition is switched OFF, the defogger will shut OFF.

Scheme 86

Scheme 87

Scheme 88

1. Disconnect the negative (-) battery terminal.
2. Remove the junction box.
3. Check for continuity between the terminals.
4. There should be continuity between the No.2 in the I/P-G connector and No.8 terminal in the I/P-K connector when power and ground are connected to the No.2 terminal in the I/P-G connector and No.8 terminal in the I/P-C connector.
5. There should be no continuity between the No.2 terminal in the I/P-G connector and No.8 terminal in the I/P-K connector when power is disconnected.